Questões de Concurso

Characteristics of a good test

In order to judge the effectiveness of any test, it is sensible to lay down criteria against which the test can be measured, as follows:

Validity: a test is valid if it tests what it is supposed to test. Thus it is not valid, for example, to test writing ability with an essay question that demands specialist knowledge of history or biology — unless it is known that all students share this knowledge before they do the test.

A particular kind of ‘validity’ that concerns most test designers is face validity. This means that the test should look, on the ‘face’ of it, as if it is valid. A test which consisted of only three multiple choice items would not convince students of its face validity however reliable or practical teachers thought it to be.

Reliability: a good test should give consistent results. For example, if the same group of students took the same test twice within two days — without reflecting on the first test before they sat it again — they should get the same results on each occasion. If two groups who were demonstrably alike took the test, the marking range would be the same.

In practice, ‘reliability’ is enhanced by making the test instructions absolutely clear, restricting the scope for variety in the answers. Reliability also depends on the people who mark the tests. Clearly a test is unreliable if the result depends to any large extent on who is marking it. Much thought has gone into making the scoring of tests as reliable as possible.

(Jeremy Harmer. The practice of English language teaching.2007. Adaptado)

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For years attention has been paid to so-called communicative tests – usually implying tests dealing with speaking. More recently, efforts have been made to design truly communicative tests of other language skills as well, such as reading comprehension.

Canale (1984) points out that a good test is not just one which is valid, reliable, and practical in terms of test administration and scoring, but rather one that is accepted as fair, important and interesting by test takers (the teachers) and test users (the students). Also, a good test has feedback potential, rewarding both teachers and students with clear, rich, relevant, and generalizable information. Canale suggests that acceptability and feedback potential have often been accorded low priority, thus explaining the curious phenomenon of multiple-choice tests claiming to assess oral interaction skills.

One example of a communicative test has been referred to as a “storyline” test. In such a test, a common theme runs throughout in order to assess the effects of context. The basis for such an approach is that the respondents learn as they read on, that they check previous content, and that the ability to use language in conversation or writing depends in large measure on the skill of picking up information from past discussion and using it in formulating new strategies.

Swain (1984), for example, developed a storyline test of French as a foreign language for high school French immersion students. The test consisted of six tasks around a common theme, “finding summer employment”. There were four writing tasks (a letter, a note, a composition, a technical exercise) and two speaking tasks (a group discussion and a job interview). The test was designed so that the topic would be motivating to the students and so that there would be enough information provided in order to give the tasks credibility. There was access to dictionaries and reference material, and opportunity for students to review and revise their work. Swain’s main concern was to “bias for best” in the construction of the test – to make every effort to support the respondent in doing their best on the test.

(Andrew D.Cohen. Second Language Assessment. IN: Marianne Celce-Murcia(ed). Teaching English as a second or foreign language. Boston, Massachusstes: Heinle&Heinle.2nd edition.2001. Adaptado)

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Culture is really an integral part of the interaction between language and thought. Cultural patterns, customs, and ways of life are expressed in language; culture-specific world views are reflected in language. Each culture has at its disposal a particular range of colours, illustrating its particular world view on what color is and how to identify color. The African Shona and Bassa peoples, for example, have fewer color categories than speakers of European languages and they break up the spectrum at different points, as shown below:

Of course, the Shona or Bassa are able to perceive and describe other colors, in the same way that an English speaker might describe a “dark bluish green”, but the labels which the language provides tend to shape the person’s overall cognitive organization of color and to cause varying degrees of color discrimination. Eskimo tribes commonly have as many as seven different words for snow to distinguish among different types of snow (falling snow, snow on the ground, fluffy snow, wet snow, etc.), whereas certain African cultures in the equatorial forests of Zaire have no word at all for snow.

(Douglas Brown. Principles of language learning and teaching. 5th ed. Longman,2000. Adaptado)